def setup_request_commandline() -> Request:
"""
Implements the argparse module to accept arguments via the command
line. This function specifies what these arguments are and parses it
into an object of type Request. If something goes wrong with
provided arguments then the function prints an error message and
exits the application.
:return: The object of type Request with all the arguments provided
in it.
"""
parser = argparse.ArgumentParser()
parser.add_argument("category", help="pokemon, ability, or move to query")
parser.add_argument("ds",
"datasource",
help="source of the data, either a file or name/id")
parser.add_argument("-e",
"--expanded",
default="false",
help="indicate that output should be expanded")
parser.add_argument(
"-o",
"--output",
default="print",
help="The output of the program. This is 'print' by default,"
" but can be set to a file name as well.")
try:
args = parser.parse_args()
request = Request()
request.category = args.category
request.data_source = args.datasource
request.extended = args.expanded
request.output = args.output
print(request)
return request
except Exception as e:
print(f"Error! Could not read arguments.\n{e}")
quit()
